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Single-mode 10G optical module self-operated

Fiber and communications infrastructure knowledge brief Published 20 May 2025

Use this reference to prepare product questions for CJC FIBRE. Check interfaces, capacity, protection and installation requirements against the current product documentation.

Single-mode 10G SFP+ optical modules provide high-speed Ethernet connectivity over distances up to 10 km using single-mode fiber, typically with LC connectors and hot-pluggable design.

Key Features

Transmission Distance: Most single-mode 10G SFP+ modules support distances up to 10 km over single-mode fiber (SMF) using a nominal wavelength of 1310 nm for standard modules. Some extended-range modules, like Huawei 10G-ER, can reach 20–40 km depending on specifications and pairing. Connector Type: Modules commonly use Duplex LC or simplex LC UPC connectors for fiber connections.

Hot-

Pluggable: These modules are hot-swappable, allowing installation or replacement without powering down the network switch. Power Consumption: Typical 10G single-mode SFP+ modules consume less than 1 W, making them energy-efficient for high-density deployments. Compatibility: Modules are compatible with a wide range of switches and routers from vendors like Cisco, HP, Brocade, and Ubiquiti.

Types of Single-

Mode 10G ModulesStandard Duplex Modules (LR): Support 10 km over single-mode fiber, suitable for LAN and MAN networks. Operate at 1310 nm wavelength. Bidirectional (BIDI) Modules: Use a single fiber for both transmit and receive, requiring paired modules with complementary wavelengths (e.g., 1270 nm and 1330 nm) to achieve full duplex communication.

Extended Range Modules (ER): Designed for longer distances, up to 40 km, but may require careful matching of wavelength and receiver sensitivity.

Practical Considerations

Fiber Type: Ensure the use of single-mode fiber (OS1/OS2) for optimal performance. Multimode fiber is not compatible with single-mode modules. Distance Planning: Verify the module's maximum supported distance against your network layout to avoid signal degradation.

Vendor Compatibility: While many modules are multi-vendor compatible, some switches may require vendor-certified SFP+ modules for full functionality.

Cost-

Effectiveness: Standard 10 km single-mode modules provide a balance of performance and cost, while BIDI or ER modules are more specialized and may be more expensive.

Recommended Use Cases

Data Centers: High-speed uplinks between switches or racks. Enterprise Networks: Long-distance connections between buildings or campuses.

IS

Ps: Fiber backbone links requiring reliable 10G connectivity. Single-mode 10G SFP+ modules are a reliable, high-performance solution for extending Ethernet networks over long distances, offering flexibility with duplex or bidirectional configurations and hot-swappable convenience for network maintenance and upgrades.

Single-mode 10G optical module self-operated - CJC FIBRE CONSULTANTS [PDF]

Single-mode 10G optical module self-operated

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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